IAD - PWM

$170 Find Cheap Flights from Washington Dulles Airport to Portland - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Portland departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Portland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Portland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Portland, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$264
Typical prices: $525-$336
United Airlines
Tue 6/30Sat 7/4
IAD - PWM • Non-stop
Cheapest one-way
$170
Typical prices: $172-$349
Delta
Sat 10/10
IAD - PWM • 2 stops
Top airlines
Cheapest • from $264 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with United Airlines. Average duration is 1h 48m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $313 (round-trip)
Shortest trip • 4h 22m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 32% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Portland!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Portland (IAD-PWM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Portland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Portland

Tue, Jun 30 - Sat, Jul 4
United Airlines Logo
10:10 pm - 11:51 pm
IAD
-
PWM
1h 41mnonstop
United Airlines Logo
10:04 am - 11:55 am
PWM
-
IAD
1h 51mnonstop
$264United Airlines
Fri, Aug 14 - Tue, Aug 18
Delta Logo
7:19 pm - 12:59 am
IAD
-
PWM
5h 40m
1 stop
Delta Logo
6:00 am - 11:49 am
PWM
-
IAD
5h 49m
1 stop
$265Delta
Sat, Sep 5 - Fri, Sep 11
United Airlines Logo
12:47 pm - 2:38 pm
IAD
-
PWM
1h 51mnonstop
United Airlines Logo
6:53 pm - 10:59 pm
PWM
-
IAD
4h 06m
1 stop
$268United Airlines
Thu, Sep 10 - Sat, Sep 12
American Airlines Logo
5:01 am - 11:16 am
IAD
-
PWM
6h 15m
1 stop
American Airlines Logo
5:18 pm - 10:51 pm
PWM
-
IAD
5h 33m
1 stop
$269American Airlines
Sat, Sep 26 - Tue, Sep 29
Delta Logo
6:10 am - 4:01 pm
IAD
-
PWM
9h 51m
2 stops
Delta Logo
6:02 am - 11:45 am
PWM
-
IAD
5h 43m
1 stop
$270Delta
Tue, Aug 11 - Fri, Aug 14
United Airlines Logo
8:35 am - 1:55 pm
IAD
-
PWM
5h 20m
1 stop
United Airlines Logo
5:15 am - 7:07 am
PWM
-
IAD
1h 52mnonstop
$271United Airlines
Tue, Aug 11 - Thu, Aug 13
Delta Logo
7:19 pm - 12:59 am
IAD
-
PWM
5h 40m
1 stop
Delta Logo
6:00 am - 11:49 am
PWM
-
IAD
5h 49m
1 stop
$272Delta
Wed, Aug 19 - Tue, Sep 1
United Airlines Logo
8:20 am - 10:04 am
IAD
-
PWM
1h 44mnonstop
United Airlines Logo
6:53 pm - 10:59 pm
PWM
-
IAD
4h 06m
1 stop
$273United Airlines
Sat, Jun 27 - Fri, Jul 3
United Airlines Logo
10:10 pm - 11:51 pm
IAD
-
PWM
1h 41mnonstop
United Airlines Logo
6:00 am - 11:28 am
PWM
-
IAD
5h 28m
1 stop
$274United Airlines
Sat, Sep 12 - Tue, Sep 15
Delta Logo
6:00 am - 5:00 pm
IAD
-
PWM
11h 00m
2 stops
Delta Logo
6:30 am - 4:21 pm
PWM
-
IAD
9h 51m
2 stops
$275Delta
Booking Insights

KAYAK's insights & trends for Dulles Intl to Portland flights

Get data-powered insights and trends into flights from Dulles Intl to Portland to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Portland, Maine?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Dulles Intl Airport to Portland, Maine departing in June.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Portland?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to Portland clicked on KAYAK for each day over the last 12 months.

For Washington Dulles Airport to Portland, Wednesday is the cheapest day to fly on average and Monday is the most expensive. Flying from Portland back to Washington Dulles Airport, the best deals are generally found on Friday, with Monday being the most expensive.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Portland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Portland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Portland is November, where tickets cost $254 (return) on average. On the other hand, the most expensive months are February and July, where the average cost of round-trip tickets is $495 and $460 respectively.

Can I save money by flying with a layover from Washington, D.C. Dulles Intl Airport to Portland?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $339 on average.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Portland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. Dulles Intl Airport to Portland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Portland, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$170
Best time to beat the crowds but there is an average 33% increase in price.
Most popular time to fly with an average 19% increase in price.
Flight from Washington Dulles Airport to Portland

When to book flights from Dulles Intl to Portland

Are your dates flexible? Find out the best times to travel from Dulles Intl to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Portland flights

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Portland?

    In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Portland was $170 for a one-way ticket and $264 for a round-trip.

  • Do I need a passport to fly between Washington Dulles Airport and Portland?

    No, a passport isn't needed to fly from Washington Dulles Airport to Portland. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Washington Dulles Airport to Portland?

    Washington Dulles Airport airport is called Washington, D.C. Dulles Intl and the only airport in Portland is Portland.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to Portland?

    American Airlines, Alaska Airlines, Delta, and JetBlue offer inflight Wi-Fi service on the Washington Dulles Airport to Portland flight route.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Portland?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Washington Dulles Airport to Portland flight route.

  • Which airline alliances offer flights from Washington Dulles Airport to Portland?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Washington Dulles Airport and Portland, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Washington Dulles Airport to Portland?

    There are nonstop flights from Washington Dulles Airport to Portland on a daily basis.

  • Which is the best airline for flights from Washington, D.C. to Portland, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Portland are Delta and United Airlines. With an average price for the route of $321 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $371 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Portland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Portland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Portland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Portland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and PWM can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Portland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Portland

  • Looking for a cheap flight? 25% of our users found flights on this route for $230 or less one-way and $297 or less round-trip.

Prefer to fly direct from Washington Dulles Airport to Portland?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Washington, D.C. Dulles Intl to Portland.
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Portland Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. Dulles Intl to Portland

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Portland to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top airlines flying from Dulles Intl to Portland

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Portland. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Dulles Intl to Portland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8396 reviews
7.8Entertainment
7.8Comfort
7.2Food
8.5Crew
8.1Boarding
Airline reviews

Should never have had to go to Detroit from Orlando back to Tennessee!

6.0 GoodCynthia, Jun 2026
DTW - TYS
Read more Delta reviews

Should never have had to go to Detroit from Orlando back to Tennessee!

Got rerouted from a straight flight from Orlando to Atlanta to Knoxville to a flight from Orlando to Detroit to Knoxville! Seriously!! Flight delay out of Detroit! Long day for what should have been a pretty easy travel day!

Two delays on two separate planes with parts they could not easily find and replace.

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Only beverages were offered to first class and I thought the flight attendant could have also served the Delta Comfort as well instead of sitting down and staring at her phone and walking past all of us to the back of the plane to charge her phone more. There was a complete lack of turbulence and was safe enough for flights attendant to walk around in the front of the plane, collect trash and serve a few people water and turn off the seat belt light. Also didn’t enforce people putting their seats into the upright position and allowed two passengers to remain reclined during landing. They seemed out to lunch completely. Usually my experience on Delta is much better.

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Flight was great! This flight from Atlanta was even better than when I paid for Comfort from SNA to Atlanta.

Connection flights should be spaced out farther because too close I missed my connection.

Definitely a southern flavor. Cordiality was evident even though no drinks or snacks were served.

On time! There were plenty of airport employees who were able to keep us moving in the right direction. The crew on the plane were professional.

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Our flight was canceled same day and we were never informed. Had to pay more and worse seating on another airline.

Did not like that we couldn't complete check in on-line without providing pictures of our passports. Worry about identity theft. We had no delays and boarding was handled In an efficient manner.

Excellent! I got to Munich and was transferred to my Lufthansa flight quickly, in 15 to 20 minutes, so I did not miss my flight. However, I had checked my overhead bag at the boarding gate in Tampa. That got to Tunis the next day. That is to be expected.

WiFi didn’t exist , seats were super cramped, lights stayed on near my seat for a long time while others were dimmed, the food/trash/drink cart hit my shoulder at least a couple of times while moving, food options were down to just one option by the time it got to my row, the utensils were garbage (knife bent at a couple of places by the time I was done eating) the spoon was very flimsy plastic

Vegetarian selection could be better. Bread was too hard to chew.

Crew was friendly and competent. Food, wine, and entertainment were excellent except the raw tuna on the flight to Split. Recommend against serving that - at least as the only option. Many medical conditions do not allow people to eat raw fish.

United didn’t even try to hold the flight for me. They knew I had a tight connection and when I arrived at the gate less than 10 mins after final boarding the flight had already gone. The gate agent wasn’t even notified that I was on my way. She was told I wasn’t at the airport

Good quick flight on a small but comfortable plane. I'm 6'3 and had plenty of space.

The flight was delayed so we were dead tired, and after that the turbulence was horrible. I was very scared.

Everything you need to know for your flight from Dulles Intl to Portland

Information on your arrival and departure airports